Signal Name
CAL+
CAL–
RTSI Connector Pinout
© National Instruments Corporation
Table 3-1. I/O Connector Signals (Continued)
Reference
Direction
—
—
—
—
Refer to the
RTSI Connector Pinout
and Clock
Generation, for information on the RTSI connector.
Description
External Calibration Positive Reference—CAL+ supplies
the positive reference during external calibration of the NI
6238/6239.
External Calibration Negative Reference—CAL– supplies
the negative reference during external calibration of the NI
6238/6239.
section of Chapter 10,
3-3
Chapter 3
Connector Information
Digital Routing
NI 6238/6239 User Manual